What is CVE-2026-1524?

CVE-2026-1524 is a critical-severity vulnerability in Neo4j Enterprise Edition, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-03-11.

How severe is CVE-2026-1524?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Neo4j Enterprise Edition

CVE-2026-1524

An edgecase in SSO implementation in Neo4j Enterprise edition versions prior to version 2026.02 can lead to unauthorised access under the following conditions: If a neo4j admin configures two or more OIDC providers AND configures one or…

Vulnerability class: Broken Authentication

EPSS: 0.001 (25.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Neo4j Enterprise Edition — versions 4.4.0, 2025.01
Neo4j

Weakness classification (CWE)

References

3b236295-4ccd-4a1f-a1c1-a72eecc8d7b6 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-1524?: CVE-2026-1524 is a critical-severity vulnerability in Neo4j Enterprise Edition, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-03-11.
How severe is CVE-2026-1524?: Critical severity. CVSS v3 base score is 9.8 out of 10.